analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

PO#00285.pdf.exe

Full analysis: https://app.any.run/tasks/c14fcbdc-edc1-427b-9f15-bd047abb1e8c
Verdict: Malicious activity
Threats:

NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website.

Analysis date: October 14, 2019, 08:43:35
OS: Windows 7 Professional Service Pack 1 (build: 7601, 64 bit)
Tags:
trojan
nanocore
rat
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

C000D06021EFCC9C39605C9063CF170E

SHA1:

44A6CB71A3A993CDC9012A3CB669A73366DA4793

SHA256:

6CA36A1BD118BFCCBB7ADEA5D4F34921CCC0F4D4813FBC8B2152B4CDE1C3420D

SSDEEP:

12288:s0+13sf8irOhRxuXmQCnVQx9b6IRQGCvY1AUmLucvUUaXCcWE9EC7:stQjfbHRQK1upRaXC+9EC7

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Loads dropped or rewritten executable

      • PO#00285.pdf.exe (PID: 1192)
    • Changes the autorun value in the registry

      • MSBuild.exe (PID: 1276)
    • NANOCORE was detected

      • MSBuild.exe (PID: 1276)
    • Application was dropped or rewritten from another process

      • MSBuild.exe (PID: 1276)
    • Actions looks like stealing of personal data

      • vbc.exe (PID: 1948)
    • Stealing of credential data

      • vbc.exe (PID: 1948)
    • Connects to CnC server

      • MSBuild.exe (PID: 1276)
  • SUSPICIOUS

    • Creates files in the user directory

      • PO#00285.pdf.exe (PID: 1192)
      • MSBuild.exe (PID: 1276)
    • Executable content was dropped or overwritten

      • MSBuild.exe (PID: 1276)
      • PO#00285.pdf.exe (PID: 1192)
    • Executes scripts

      • MSBuild.exe (PID: 1276)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: 6
OSVersion: 4
EntryPoint: 0x338f
UninitializedDataSize: 2048
InitializedDataSize: 186368
CodeSize: 26624
LinkerVersion: 6
PEType: PE32
TimeStamp: 2018:12:15 23:24:46+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 15-Dec-2018 22:24:46
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 15-Dec-2018 22:24:46
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00006627
0x00006800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.45178
.rdata
0x00008000
0x000014A2
0x00001600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.02518
.data
0x0000A000
0x0002AFF8
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.03532
.ndata
0x00035000
0x00010000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00045000
0x0005B4F8
0x0005B600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.23409

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.2992
830
UNKNOWN
English - United States
RT_MANIFEST
2
3.26157
67624
UNKNOWN
English - United States
RT_ICON
3
3.5647
16936
UNKNOWN
English - United States
RT_ICON
4
3.76345
9640
UNKNOWN
English - United States
RT_ICON
5
4.01618
4264
UNKNOWN
English - United States
RT_ICON
6
4.1728
1128
UNKNOWN
English - United States
RT_ICON
102
2.74309
184
UNKNOWN
English - United States
RT_DIALOG
103
2.76511
90
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.6935
316
UNKNOWN
English - United States
RT_DIALOG
105
2.66174
256
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
630
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start po#00285.pdf.exe #NANOCORE msbuild.exe vbc.exe vbc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1192"C:\Users\admin\Desktop\PO#00285.pdf.exe" C:\Users\admin\Desktop\PO#00285.pdf.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
1276"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
PO#00285.pdf.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Version:
2.0.50727.5483 built by: Win7SP1GDR
1948"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\admin\AppData\Local\Temp\xv0dyul1.agv"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
MSBuild.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual Basic Command Line Compiler
Exit code:
0
Version:
8.0.50727.5483
2636"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\admin\AppData\Local\Temp\zwebl4o1.2af"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exeMSBuild.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual Basic Command Line Compiler
Exit code:
0
Version:
8.0.50727.5483
Total events
93
Read events
92
Write events
1
Delete events
0

Modification events

(PID) Process:(1276) MSBuild.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:UPNP Host
Value:
C:\Users\admin\AppData\Roaming\EEEB5D54-7880-42A7-B542-739BBC26CF4B\UPNP Host\upnphost.exe
Executable files
8
Suspicious files
4
Text files
13
Unknown types
3

Dropped files

PID
Process
Filename
Type
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\USER\doinstall\strFormId\logo\formdesign.xmlxml
MD5:7210155DFD8259551A51688B4FA04BAE
SHA256:C5D4878FE9C46B5DAF0346DD8E17CAC5174E0076932038CA00EE6897E6DF3A5A
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\USER\doinstall\strFormId\logo\x-google-video-pointer.xmlxml
MD5:8943A7F0D67FE70DA13AA31D8C5B32F8
SHA256:51CEF55D16D263466E4977204E30EF7C84C672F1C209D79906A8B1CE7E988E5E
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\u2\mailto\connectt\DbgUrtMui.dllexecutable
MD5:59CEF37C54DEC0166472D7DB7DF56AFC
SHA256:F92E892E0AB61777CCC108D258C546C4CC4CC9034D0E766654A96FD7CBFBAABE
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\period\plan\frequency\clean\bluetoothd.8text
MD5:8EA3094167BF01CA4EE4A2CE18F73893
SHA256:B4F469B649EF30F05A5BA8BCDF7B8059D7DAB9A4820DFCF09EA7D796523C7250
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\USER\doinstall\strFormId\logo\accctrl3.gifimage
MD5:1CDE89A5283E5C882348E060B3150129
SHA256:1F56B1806CDF8065EB3E07B6632469466847B3E7B2D71FD2D4BB09C738ED9702
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\USER\doinstall\strFormId\logo\stlmaps.rgstext
MD5:E14A03DE0615DD3A31F13232FEF4F51F
SHA256:643CB1917524F69E8B55225667554F5A0AD22A762FDB873AEA0CCC10EB2D44D9
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\credits\Database-Download.pngimage
MD5:841A3CA897ABCFDCE4F4CCA7B18C5147
SHA256:45E7D92CA18EDD736B1707923825348036A911C0D4708A8BD54C86CB1181B5D0
1192PO#00285.pdf.exeC:\Users\admin\AppData\Local\Temp\namespace\CMAccept.exeexecutable
MD5:CE9EC29C6B19DCED820E0F2EEA7C5237
SHA256:980A535EF48369FA83FE881E232C3F12EA34C93B06178B53EE441A73D54D7F02
1192PO#00285.pdf.exeC:\Users\admin\AppData\Local\Temp\Detoxicatebinary
MD5:A6B02201B04F670E690FAFBC1FE2557E
SHA256:1087171BD19363C8A178CE9E36055CCE3EF731A3BA4FC0C220CB4B9B267C6848
1192PO#00285.pdf.exeC:\Users\admin\AppData\Roaming\credits\ntfswipeo
MD5:B766C9874EC2BBC84F0AA56CDF5053AC
SHA256:70B30E72D40A15CB186C8428C41DD1A9DDD37F107BB5BC549A4BB2140249FED8
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
5
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2708
mscorsvw.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/MicCodSigPCA_08-31-2010.crl
unknown
der
555 b
whitelisted
2708
mscorsvw.exe
GET
200
2.16.186.74:80
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl
unknown
der
781 b
whitelisted
2492
mscorsvw.exe
GET
200
13.107.4.50:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?812de90c3f7a1905
US
compressed
6.73 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2708
mscorsvw.exe
2.16.186.74:80
crl.microsoft.com
Akamai International B.V.
whitelisted
1276
MSBuild.exe
194.5.98.251:5540
FR
malicious
2492
mscorsvw.exe
13.107.4.50:80
ctldl.windowsupdate.com
Microsoft Corporation
US
whitelisted

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 13.107.4.50
whitelisted
crl.microsoft.com
  • 2.16.186.74
  • 2.16.186.120
whitelisted

Threats

PID
Process
Class
Message
1276
MSBuild.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
1276
MSBuild.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
1276
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] NanoCore.RAT
164 ETPRO signatures available at the full report
No debug info